Pgindent run for 8.0.

contrib/btree_gist/btree_bit.c

contrib/btree_gist/btree_bytea.c

contrib/btree_gist/btree_cash.c

contrib/btree_gist/btree_date.c

contrib/btree_gist/btree_float4.c

contrib/btree_gist/btree_float8.c

contrib/btree_gist/btree_gist.c

contrib/btree_gist/btree_gist.h

contrib/btree_gist/btree_inet.c

contrib/btree_gist/btree_int2.c

contrib/btree_gist/btree_int4.c

contrib/btree_gist/btree_int8.c

contrib/btree_gist/btree_interval.c

contrib/btree_gist/btree_macaddr.c

contrib/btree_gist/btree_numeric.c

contrib/btree_gist/btree_oid.c

contrib/btree_gist/btree_text.c

contrib/btree_gist/btree_time.c

contrib/btree_gist/btree_ts.c

contrib/btree_gist/btree_utils_num.c